[llvm] r339390 - ConstantMerge: update MadeChange when change is made

[JF Bastien via llvm-commits]

Author: jfb
Date: Thu Aug  9 14:36:57 2018
New Revision: 339390

URL: http://llvm.org/viewvc/llvm-project?rev=339390&view=rev
Log:
ConstantMerge: update MadeChange when change is made

It was always false, which is obviously wrong.

Modified:
    llvm/trunk/lib/Transforms/IPO/ConstantMerge.cpp

Modified: llvm/trunk/lib/Transforms/IPO/ConstantMerge.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/ConstantMerge.cpp?rev=339390&r1=339389&r2=339390&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/ConstantMerge.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/ConstantMerge.cpp Thu Aug  9 14:36:57 2018
@@ -220,6 +220,7 @@ static bool mergeConstants(Module &M) {
       assert(Replacements[i].first->hasLocalLinkage() &&
              "Refusing to delete an externally visible global variable.");
       Replacements[i].first->eraseFromParent();
+      MadeChange = true;
     }
 
     NumMerged += Replacements.size();